<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS Masking: mask-clip: clip mask image</title>
    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
    <link rel="help" href="https://drafts.fxtf.org/css-masking-1/#the-mask-clip">
    <link rel="match" href="mask-clip-3-ref.html">
    <meta name="assert" content="fill-box, stroke-box, view-box of mask-clip should clip to the appropriate boxes.">
    <style type="text/css">
      div.outer {
        /*
         * content box: 40 x 20
         * padding box: 52 x 38
         * border  box: 60 x 50
         * margin  box: 66 x 54
         */
        background-color: purple;
        position: absolute;
        top: 10px;
        margin: 1px 2px 3px 4px;
        border: solid transparent;
        border-width: 8px 2px 4px 6px;
        padding: 6px 9px 12px 3px;
        width: 40px;
        height: 20px;
      }

      div.mask {
        mask-size: 100% 100%;
        mask-origin: border-box;
        mask-image: url(support/transparent-100x50-blue-100x50.svg);
      }

      div.stroke {
        left: 10px;
        mask-clip: stroke-box; /* should be the same as border-box */
      }

      div.view {
        left: 110px;
        mask-clip: view-box; /* should be the same as border-box */
      }

      div.fill {
        left: 210px;
        mask-clip: fill-box; /* should be the same as content-box */
      }
    </style>
  </head>
  <body>
    <div class="outer mask stroke"></div>
    <div class="outer mask view"></div>
    <div class="outer mask fill"></div>
  </body>
</html>
